# coding:utf-8
# writingtime: 2022-6-29
# author: wanjun

'''

FS :     0.80       -> ([0.80,0.80],[0.80,0.80])
IFS:    (0.20,0.80) -> ([0.20,0.20],[0.80,0.80])
PFS:    (0.10,0.93) -> ([0.10,0.10],[0.93,0.93])
q-ROFS: (0.50,0.90) -> ([0.50,0.50],[0.90,0.90])

IVFS:     (0.60,0.80)               -> ([0.60,0.80],[0.20,0.40])
IVIFS:    ([0.20,0.50],[0.30,0.50]) -> ([0.20,0.50],[0.30,0.50])
IVPFS:    ([0.20,0.50],[0.20,0.70]) -> ([0.20,0.50],[0.20,0.70])
IVq-ROFS: ([0.20,0.50],[0.60,0.80]) -> ([0.20,0.50],[0.60,0.80])

'''

